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Message-ID: <ZGuDJos8D7N0J6Z2@francesco-nb.int.toradex.com> Date: Mon, 22 May 2023 16:58:46 +0200 From: Francesco Dolcini <francesco@...cini.it> To: Andrew Lunn <andrew@...n.ch>, Praneeth Bajjuri <praneeth@...com>, Geet Modi <geet.modi@...com>, "David S. Miller" <davem@...emloft.net> Cc: Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Grygorii Strashko <grygorii.strashko@...com>, Dan Murphy <dmurphy@...com> Subject: DP83867 ethernet PHY regression Hello all, commit da9ef50f545f ("net: phy: dp83867: perform soft reset and retain established link") introduces a regression on my TI AM62 based board. I have a working DTS with Linux TI 5.10 downstream kernel branch, while testing the DTS with v6.4-rc in preparation of sending it to the mailing list I noticed that ethernet is working only on a cold poweron. With da9ef50f545f reverted it always works. Here the DTS snippet for reference: &cpsw_port1 { phy-handle = <&cpsw3g_phy0>; phy-mode = "rgmii-rxid"; }; &cpsw3g_mdio { assigned-clocks = <&k3_clks 157 20>; assigned-clock-parents = <&k3_clks 157 22>; assigned-clock-rates = <25000000>; cpsw3g_phy0: ethernet-phy@0 { compatible = "ethernet-phy-id2000.a231"; reg = <0>; interrupt-parent = <&main_gpio0>; interrupts = <25 IRQ_TYPE_EDGE_FALLING>; reset-gpios = <&main_gpio0 17 GPIO_ACTIVE_LOW>; reset-assert-us = <10>; reset-deassert-us = <1000>; ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; }; }; Any suggestion? Francesco
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